import axios from 'axios'
import { MessageBox, Message, Loading } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'


let loading;
function startLoading() {
    let options = {
        lock: true,
        text: '疯狂加载中......',
        background: 'rgba(0,0,0,0.7)',
    }
    loading = Loading.service(options);
}
function endLoading() {
    loading.close();
}


const instance = axios.create({
  baseURL: process.env.VUE_APP_BASE_API,
  // baseURL: 'http://axian.lzwzw.cn:3333/api/', 
  timeout: 5000
})

instance.interceptors.request.use(
  config => {
    if (store.getters.token) {
      config.headers.Authorization = getToken()
      // config.headers['X-Token'] = getToken()
    }
    startLoading()
    return config
  },
  error => {
    return Promise.reject(error)
  }
)

// response interceptor
instance.interceptors.response.use(
  response => {
    endLoading()
    const res = response.data
    if (res.code == -1) {
      Message({
        message: res.msg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      
      return Promise.reject(new Error(res.msg || 'Error'))
    }else if(res.code == -4){
      Message({
        message: res.msg || 'Error',
        type: 'warning',
        duration: 5 * 1000
      })
      return Promise.reject(new Error(res.msg || 'Error'))
    }else {
      return res
    }
  },
  error => {
    endLoading()
    const {code, msg}  = error.response.data
    if (code === -2 ) {
      MessageBox.confirm('你已被登出，可以取消继续留在该页面，或者重新登录', '登录过期', {
        confirmButtonText: '重新登录',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        store.dispatch('user/resetToken').then(() => {
          location.reload()
        })
      })
    }
    Message({
      message:msg,
      type: 'error',
      duration: 3 * 1000
    })
    return Promise.reject(error)
  }
)





/** 请求封装 */
export function get(url, params) {
  return instance.get(url, { params });
}

export function post(url, data) {
  return instance.post(url, { data });
}

export function request(method, url, data = {}, headers = {}) {
  const dataType = method.toLocaleLowerCase() == 'get' ? 'params' : 'data';
  let options = {
      url,
      method,
      [dataType]: data,
      headers: {
          "Content-Type": "application/json; charset=utf-8",
          ...headers
      }
  }
  return instance(options)
}

export function uploadFileRequest(url, params) {
  let options = {
      url,
      method: 'post',
      data: params,
      headers: {
          "Content-Type": "multipart/form-data"
      },
      credentials: 'include'
  }
  return instance(options)
}

